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Cytokinetics Inc

CYTK
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001061983

In the last 90 days, Cytokinetics Inc insiders filed 0 open-market purchases and 18 sales; 481 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; no superinvestor holds it.

13F holders, Q2 2024

Institutional positions in Cytokinetics Inc as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
344
−43 vs. Q1 2024
Shares held
135.5M
+18.0M (+15.3%) vs. Q1 2024
Total value
$7.34B
−$895.8M (−10.9%) vs. Q1 2024
New holders
42
157 more added
Sold out
85
92 more reduced

3 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CYTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2024: 344 institutions
Q1 2021: 193 institutionsQ2 2021: 191 institutionsQ3 2021: 211 institutionsQ4 2021: 250 institutionsQ1 2022: 240 institutionsQ2 2022: 263 institutionsQ3 2022: 276 institutionsQ4 2022: 278 institutionsQ1 2023: 263 institutionsQ2 2023: 253 institutionsQ3 2023: 251 institutionsQ4 2023: 347 institutionsQ1 2024: 390 institutionsQ2 2024: 344 institutionsQ3 2024: 348 institutionsQ4 2024: 347 institutionsQ1 2025: 356 institutionsQ2 2025: 312 institutionsQ3 2025: 381 institutionsQ4 2025: 431 institutionsQ1 2026: 441 institutionsQ2 2026: 481 institutions
Value heldQ2 2024: $7.34B
Q1 2021: $1.74BQ2 2021: $1.50BQ3 2021: $3.22BQ4 2021: $4.16BQ1 2022: $3.52BQ2 2022: $4.16BQ3 2022: $5.08BQ4 2022: $4.88BQ1 2023: $3.83BQ2 2023: $3.55BQ3 2023: $3.22BQ4 2023: $9.54BQ1 2024: $8.26BQ2 2024: $7.34BQ3 2024: $7.20BQ4 2024: $6.18BQ1 2025: $5.48BQ2 2025: $4.55BQ3 2025: $7.75BQ4 2025: $8.87BQ1 2026: $9.63BQ2 2026: $13.7B
Institutions holding CYTK and their total value by quarter
QuarterHoldersValue
Q2 2026481$13.7B
Q1 2026441$9.63B
Q4 2025431$8.87B
Q3 2025381$7.75B
Q2 2025312$4.55B
Q1 2025356$5.48B
Q4 2024347$6.18B
Q3 2024348$7.20B
Q2 2024344$7.34B
Q1 2024390$8.26B
Q4 2023347$9.54B
Q3 2023251$3.22B
Q2 2023253$3.55B
Q1 2023263$3.83B
Q4 2022278$4.88B
Q3 2022276$5.08B
Q2 2022263$4.16B
Q1 2022240$3.52B
Q4 2021250$4.16B
Q3 2021211$3.22B
Q2 2021191$1.50B
Q1 2021193$1.74B

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q1 2024.

Institutions holding CYTK in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.14,672,779$795.0M0.02%+2,258,006+18.2%Added
FMR LLC11,523,128$624.3M0.04%+621,985+5.7%Added
Vanguard Group Inc11,437,696$619.7M0.01%+1,440,620+14.4%Added
T. Rowe Price Investment Management, Inc.8,138,677$441.0M0.28%+3,017,088+58.9%Added
Wellington Management Group LLP7,509,530$406.9M0.07%+3,528,070+88.6%Added
State Street Corp6,548,536$354.8M0.02%+2,028,178+44.9%Added
Darwin Global Management, Ltd.4,575,558$246.1M28.63%+4,575,558New
Bank of America Corp4,380,769$237.4M0.02%−396,859−8.3%Reduced
Geode Capital Management, LLC2,738,646$148.4M0.01%+491,481+21.9%Added
RTW Investments, LP2,721,158$147.4M2.28%+196,078+7.8%Added
Polar Capital Holdings Plc2,454,665$133.0M0.78%+849,089+52.9%Added
Price T Rowe Associates Inc2,358,343$127.8M0.02%−572,605−19.5%Reduced
Boxer Capital, LLC2,100,000$113.8M5.99%00.0%Unchanged
Vestal Point Capital, LP2,075,000$112.4M8.38%−75,000−3.5%Reduced
Armistice Capital, LLC2,065,991$111.9M2.93%+540,303+35.4%Added
Alliancebernstein L.P.1,879,161$101.8M0.04%+109,096+6.2%Added
Pictet Asset Management Holding SA1,768,162$95.8M0.11%+14,516+0.8%Added
PFM Health Sciences, LP1,757,192$95.2M5.19%00.0%Unchanged
Marshall Wace, LLP1,678,159$90.9M0.13%−878,644−34.4%Reduced
Melqart Asset Management (UK) Ltd1,675,785$90.8M8.52%+692,390+70.4%Added
Northern Trust Corp1,282,893$69.5M0.01%+171,453+15.4%Added
Goldman Sachs Group Inc1,138,154$61.7M0.01%+446,705+64.6%Added
Pentwater Capital Management LP1,119,000$60.6M1.31%+39,000+3.6%Added
JPMorgan Chase & Co1,111,943$60.2M0.01%+423,839+61.6%Added
Sarissa Capital Management LP1,110,000$60.1M10.15%+810,000+270.0%Added
Morgan Stanley1,105,674$59.9M0.00%+150,816+15.8%Added
Bank of New York Mellon Corp1,068,596$57.9M0.01%+168,542+18.7%Added
Integral Health Asset Management, LLC1,000,000$54.2M5.39%+550,000+122.2%Added
RP Management, LLC980,392$53.1M29.71%+980,392New
Janus Henderson Group PLC976,329$52.9M0.03%+178,957+22.4%Added
Charles Schwab Investment Management Inc925,682$50.2M0.01%+150,126+19.4%Added
Westfield Capital Management Co LP873,513$47.3M0.23%+142,127+19.4%Added
Citadel Advisors LLC858,973$46.5M0.05%+298,071+53.1%Added
ADAR1 Capital Management, LLC853,862$46.3M9.32%+534,352+167.2%Added
OrbiMed Advisors LLC812,906$44.0M0.94%+130,206+19.1%Added
Norges Bank799,664$43.3M0.01%−183,097−18.6%Reduced
Brown Advisory Inc762,549$41.3M0.05%+3,015+0.4%Added
Hood River Capital Management LLC737,637$40.0M0.83%+40,990+5.9%Added
Balyasny Asset Management LLC601,367$32.6M0.08%−73,695−10.9%Reduced
Voloridge Investment Management, LLC555,110$30.1M0.11%−205,209−27.0%Reduced
Fisher Asset Management, LLC534,520$29.0M0.01%−4,277−0.8%Reduced
Invesco Ltd.495,398$26.8M0.01%−822,140−62.4%Reduced
Artal Group S.A.494,421$26.8M0.69%−12,163−2.4%Reduced
Great Point Partners LLC474,202$25.7M4.92%+272,000+134.5%Added
Renaissance Technologies LLC470,967$25.5M0.04%+105,000+28.7%Added
Ensign Peak Advisors, Inc463,431$25.1M0.05%+39,172+9.2%Added
Franklin Resources Inc403,561$21.9M0.01%−161,735−28.6%Reduced
DAFNA Capital Management LLC398,100$21.6M5.15%00.0%Unchanged
Readystate Asset Management LP394,175$21.4M1.01%−71,323−15.3%Reduced
Principal Financial Group Inc393,579$21.3M0.01%−37,977−8.8%Reduced
Sphera Funds Management Ltd.384,924$20.9M3.40%+103,253+36.7%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.384,042$20.8M0.05%+29,544+8.3%Added
Rhumbline Advisers379,257$20.5M0.02%+72,618+23.7%Added
Point72 Asset Management, L.P.374,848$20.3M0.07%+10,139+2.8%Added
Standard Life Aberdeen plc369,237$20.0M0.04%+129,995+54.3%Added
TD Asset Management Inc360,598$19.5M0.02%+76,078+26.7%Added
Nuveen Asset Management, LLC355,141$19.2M0.01%−144,460−28.9%Reduced
Ameriprise Financial Inc344,134$18.6M0.01%+50,111+17.0%Added
American Century Companies Inc331,444$18.0M0.01%−84,410−20.3%Reduced
UBS Group AG299,604$16.2M0.00%+860+0.3%Added
First Turn Management, LLC293,318$15.9M2.59%−137,031−31.8%Reduced
Barclays PLC282,378$15.3M0.01%−479,869−63.0%Reduced
Massachusetts Financial Services Co276,067$15.0M0.00%+276,067New
Saturn V Capital Management LLC272,036$14.7M5.57%+8,335+3.2%Added
Kingdon Capital Management, L.L.C.266,700$14.4M2.23%+150,700+129.9%Added
Rafferty Asset Management, LLC265,069$14.4M0.05%+125,592+90.0%Added
Jane Street Group, LLC265,002$14.4M0.02%−42,565−13.8%Reduced
Finepoint Capital LP256,449$13.9M3.94%+18,403+7.7%Added
Eventide Asset Management, LLC254,148$13.8M0.24%00.0%Unchanged
Pinnacle Associates Ltd253,864$13.8M0.22%−3,303−1.3%Reduced
Schroder Investment Management Group253,487$13.7M0.02%00.0%Unchanged
Thornburg Investment Management Inc252,811$13.7M0.19%+169,050+201.8%Added
UBS Asset Management Americas Inc251,942$13.7M0.00%+134,020+113.7%Added
Cutter Capital Management, LP236,900$12.8M3.91%+236,900New
Prosight Management, LP230,000$12.5M3.72%−15,000−6.1%Reduced
Clearline Capital LP207,695$11.3M0.98%+159,660+332.4%Added
Corebridge Financial, Inc.204,245$11.1M0.06%+204,245New
Opaleye Management Inc.198,500$10.8M2.46%+198,500New
Woodline Partners LP198,181$10.7M0.10%+198,181New
Rhenman & Partners Asset Management AB197,515$10.7M1.03%00.0%Unchanged
Ghisallo Capital Management LLC196,000$10.6M0.92%+196,000New
Swiss National Bank195,500$10.6M0.01%+21,300+12.2%Added
Checkpoint Capital L.P.190,000$10.3M6.21%00.0%Unchanged
Superstring Capital Management LP187,633$10.2M12.81%−91,282−32.7%Reduced
California Public Employees Retirement System179,737$9.74M0.01%+48,596+37.1%Added
Candriam Luxembourg S.C.A.179,200$9.71M0.06%−313,829−63.7%Reduced
Manufacturers Life Insurance Company, The173,775$9.42M0.01%+20,206+13.2%Added
Ikarian Capital, LLC170,147$9.22M2.88%+25,000+17.2%Added
Comerica Bank166,180$9.00M0.04%+35,374+27.0%Added
Legal & General Group Plc159,518$8.64M0.00%+16,392+11.5%Added
Russell Investments Group, Ltd.158,242$8.57M0.01%−87,399−35.6%Reduced
Susquehanna International Group, LLP157,039$8.51M0.01%−419,438−72.8%Reduced
Skandinaviska Enskilda Banken AB (publ)155,794$8.44M0.04%00.0%Unchanged
Dimensional Fund Advisors LP148,561$8.05M0.00%+32,372+27.9%Added
Retirement Systems of Alabama141,516$7.67M0.03%+18,384+14.9%Added
Peregrine Capital Management LLC140,601$7.62M0.22%+14,208+11.2%Added
SG Americas Securities, LLC138,142$7.49M0.05%+129,057+1,420.6%Added
Granahan Investment Management Inc136,878$7.42M0.30%+136,878New
Deep Track Capital, LP132,495$7.18M0.21%+132,495New
Citigroup Inc131,354$7.12M0.01%−32,845−20.0%Reduced